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Finding the Fourth Proportional to 114,893.38, 158,552.86 and 67,186.81

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Solution

The fourth proportional to 114,893.38, 158,552.86 and 67,186.81 is: 92,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,893.38 : 158,552.86 = 67,186.81 : x
  2. Step 2: Convert to fraction form
    114,893.38/158,552.86 = 67,186.81/x
  3. Step 3: Cross multiply
    114,893.38x = 158,552.86 × 67,186.81
  4. Step 4: Simplify right side
    114,893.38x = 10,652,659,919.05
  5. Step 5: Solve for x
    x = 10,652,659,919.05/114,893.38
  6. Step 6: Final answer
    x = 92,717.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.